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https://github.com/pret/pmd-sky.git
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144 lines
2.7 KiB
ArmAsm
144 lines
2.7 KiB
ArmAsm
.include "asm/macros.inc"
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.include "main_0207F894.inc"
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.text
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arm_func_start Rtc_ConvertDateToDay
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Rtc_ConvertDateToDay: ; 0x02082F30
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ldr r3, [r0]
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cmp r3, #0x64
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bhs _02082F80
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ldr r2, [r0, #4]
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cmp r2, #1
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blo _02082F80
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cmp r2, #0xc
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bhi _02082F80
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ldr r1, [r0, #8]
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cmp r1, #1
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blo _02082F80
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cmp r1, #0x1f
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bhi _02082F80
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ldr r0, [r0, #0xc]
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cmp r0, #7
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bge _02082F80
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cmp r2, #1
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blo _02082F80
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cmp r2, #0xc
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bls _02082F88
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_02082F80:
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mvn r0, #0
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bx lr
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_02082F88:
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ldr r0, _02082FBC ; =_020B2E9C
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sub r1, r1, #1
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ldr r0, [r0, r2, lsl #2]
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cmp r2, #3
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add r2, r1, r0
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blo _02082FA8
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tst r3, #3
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addeq r2, r2, #1
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_02082FA8:
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ldr r0, _02082FC0 ; =0x0000016D
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add r1, r3, #3
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mla r0, r3, r0, r2
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add r0, r0, r1, lsr #2
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bx lr
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.align 2, 0
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_02082FBC: .word _020B2E9C
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_02082FC0: .word 0x0000016D
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arm_func_end Rtc_ConvertDateToDay
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arm_func_start Rtci_ConvertTimeToSecond
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Rtci_ConvertTimeToSecond: ; 0x02082FC4
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mov r1, #0x3c
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ldmia r0, {r2, r3}
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mla r3, r2, r1, r3
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ldr r0, [r0, #8]
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mla r0, r3, r1, r0
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bx lr
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arm_func_end Rtci_ConvertTimeToSecond
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arm_func_start Rtc_ConvertDateTimeToSecond
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Rtc_ConvertDateTimeToSecond: ; 0x02082FDC
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stmdb sp!, {r3, r4, r5, lr}
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mov r5, r1
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bl Rtc_ConvertDateToDay
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mov r4, r0
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mvn r0, #0
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cmp r4, r0
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moveq r1, r0
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ldmeqia sp!, {r3, r4, r5, pc}
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mov r0, r5
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bl Rtci_ConvertTimeToSecond
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mvn r2, #0
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cmp r0, r2
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moveq r1, r2
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beq _02083034
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ldr r1, _0208303C ; =0x00015180
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mov r2, #0
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umull ip, r3, r4, r1
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mla r3, r4, r2, r3
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mov r2, r4, asr #0x1f
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mla r3, r2, r1, r3
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adds r2, r0, ip
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adc r1, r3, r0, asr #31
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_02083034:
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mov r0, r2
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ldmia sp!, {r3, r4, r5, pc}
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.align 2, 0
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_0208303C: .word 0x00015180
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arm_func_end Rtc_ConvertDateTimeToSecond
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arm_func_start Rtc_GetDayOfWeek
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Rtc_GetDayOfWeek: ; 0x02083040
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stmdb sp!, {r4, r5, r6, lr}
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ldr r1, [r0, #4]
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ldr r2, [r0]
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sub r1, r1, #2
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cmp r1, #1
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add ip, r2, #0x7d0
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sublt ip, ip, #1
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ldr r6, _020830F0 ; =0x51EB851F
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ldr lr, [r0, #8]
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smull r3, r2, r6, ip
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smull r4, r3, r6, ip
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mov r5, ip, lsr #0x1f
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add r3, r5, r3, asr #5
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add r2, r5, r2, asr #5
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mov r5, #0x64
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smull r2, r4, r5, r2
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sub r2, ip, r2
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addlt r1, r1, #0xc
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mov r0, #0x1a
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mul r0, r1, r0
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sub r1, r0, #2
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ldr r0, _020830F4 ; =0x66666667
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mov r5, r1, lsr #0x1f
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smull r1, ip, r0, r1
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add ip, r5, ip, asr #2
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mov r4, r2, asr #1
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add r0, lr, ip
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add r1, r2, r4, lsr #30
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add r2, r2, r0
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mov r6, r3, asr #1
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add r0, r3, r6, lsr #30
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add r1, r2, r1, asr #2
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add r1, r1, r0, asr #2
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add r0, r3, r3, lsl #2
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add r4, r1, r0
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ldr r3, _020830F8 ; =0x92492493
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mov r1, r4, lsr #0x1f
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smull r2, r0, r3, r4
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add r0, r4, r0
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add r0, r1, r0, asr #2
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mov r2, #7
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smull r0, r1, r2, r0
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sub r0, r4, r0
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ldmia sp!, {r4, r5, r6, pc}
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.align 2, 0
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_020830F0: .word 0x51EB851F
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_020830F4: .word 0x66666667
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_020830F8: .word 0x92492493
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arm_func_end Rtc_GetDayOfWeek
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